Churn



(No Model.) l

J. N. RENFRO.-

GHURN.

No. 282,224. Patented July 31. 1883.

WITNESSES I N VE 0R.

ATTORNEYS JOHN N. EENFRO,

. i i' )UNITED STATES PATENT OFFICE.

OE EEENEZEE, MIssOUEI, AssiGNOE OF ONF-HALE To JOHN A. HEADLEE, OF PLAGE.

oHuRN.

SPECIFICATION forming part of Letters Patent No. 782,224, dated July 31,. 1883. Application tiled April 17,1883. (No model.)V

To all whom it. may concern:

Be it known that I, JOHN N. RENERO, of Ebenezer,r in the county of Greene and State of Missouri, haveinvented certain new and useful Improvements in Churns; and I do hereby declare that the Afollowing is a full, clear, and exact description of the invention, which will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, which form a part of this specification, and in which Figure lmis a perspective view of my imsame. Fig. 3 is a cross-section through line 'w x in Fig. 2; and Fig. 4 is a detail view of the top part of the frame, showing the manner of securing the dasher-staft' in position. y

Similar letters of reference indicato corre# sponding parts in all the figures.

My invention has relation to' rotary churndashers; and it consists in the improved construction and combination of parts ofthe same, whichwill be hereinafter more fully described and claimed.

In the accompanying drawings, A is thetop, and B the bottom, piece of the dasherframe, which are connected by the, side pieces, C C. The latter are enlarged across the middle, as shown at D, foi-'ming a swelled portion, the swell of which gradually increases from opposite ends of the side piece. This swelled porapertures,

d, and is provided with a recess, E, adapted to receive a spring, e, which, by bearing against the inner wall of the churn or cream-recepta cle, into which theframe is'inserted, will hold the latter firmly in place during the operation of churning. If desired, however, the creamreceptacle may be provided with parallel cleats, adapted to hold the"l frame in place by slipping this into the ys formed by the cleats in a well-understood`- manner. In either case it will be seen that thaframe can be readily removed from the creanireceptacle whenever desired forcleaning or for other purposes.

F is the flasher-staff, Whiclivworksin a box` or recess, b, in the lower cross-piece, B, and rests with its upper end in a notch, G,

cut in Fig. 2 is a longitudi-l nal sectional view through the frame of the swung to one side, as indicated in Fig. 4 of the drawings, when the dasher-staff with its dasher can ,readily be removed from the frame, and this, it will be seen, may be done without removing frameA B C from `the churn. that part lof the dasher-staff which works in the frame aresecured the cross-heads I and K at right angles to each other, the Outer ends of which are connected by strips L, curved, as clearly shown in Fig. 1 of the drawings, into an elongated S-shape, so as to conform to the swell or curvature ofthe side pieces, C C. Each of these curved strips L is bent at right angles along its outer edge to form a ange, M, which, in operating the device, will cut the cream, and thus cause the butter to come much more rapidly than where the cream is simply being stirred 01 agitated bythe rotary dasher. These flanges Mare bent in opposite directions, as will appear more clearly by reference to Fig. 3 in the drawings, the dasher being rotated in the direction of the arrows shown in thatflgure. Each of the curved strips L is provided with a row or series of apertures (shown at l) for thc better agitation of the cream.

f From the foregoing description, taken in connection with the drawing, the operation of my improved rotary churn-dasher willreadily be understood without requiring further eX- planation. Y

, The flasher-staff F may be rotated by any suitable gearing or other mechanism, when the dasher, comprised of the parts I, K, andL L, operating in conjunction with the swelled' Upon and perforated side pieces, C C, willagitate and cut'the cream in all parts of the churn, so as to cause the butter to come with `great rapidity. After the butter has been formed Vit may be'removed from the churn without removing the `flasher-frame simply by unlatchi ing the latch-piece H' and slipping the dasher-staff with the dasher out of its bearings G and b.

IOC)

Having thus described my invention, I claim tially as and for the purpose shown and set 2. The combination of lthe frame composed of the top piece, A, having notch G, bottom piece, B, having bearing b, and side pieces, C C, having swelled middle parts, D, provided with perforations d, and with recesses E, having springs e, adapted to hold the frame in position in the cream-receptacle by friction, re-

movable latch-piece II, pins h h, and dasher v consisting of the staff F, top and bottom crossheads, I and K, curved connecting-strips L, having perforations Z, and flanges M, all constructed and combined to operate substantially in the manner and for the purpose herein shown and specified.

In testimony that I claim the foregoing as my own I have hereunto afliXed my signature in presence of two Witnesses.

JOHN N. RENFRo.

Vitnesses:

W. C. MOORE, JONATHAN ECHILBERRY. 

